Fastapi coverage.

Pydantic V2 Discriminated Unions in FastAPI: Modeling Polymorphic AI Feature Configs Without Schema Sprawl

Use Pydantic V2's discriminated unions to represent different AI feature types (summarization, classification, generation) with type-safe routing in FastAPI, eliminating conditiona…

FastAPI + Vue 3: How to Build a Modern REST API with Python and Consume It from the Frontend — Iván Bermúdez

I built a RAG pipeline from scratch — no LangChain, just FastAPI + FAISS

Most RAG tutorials I found were either "pip install langchain and you're done" or 50-page academic...…

How I Built and Monetized a Currency Exchange Rate API with FastAPI, Deployed it on Render, and Published it on RapidAPI.

Introduction: In order to build passive income streams, I decided to publish APIs on RapidAPI. The...…

Day 22 of 60: I Built a Production Background Task Pipeline That Processes AI Jobs Asynchronously

** The Problem** Processing large documents through an AI model takes 30-60 seconds. A synchronous...…

FastAPI Introduces Official VSCode Extension

Starlette, an open-source Python framework underpinning FastAPI, has a vulnerability, called BadHost, that can allow hackers to bypass authorization (Dan Goodin/Ars Technica)

Worrying open-source security issue 'BadHost' could affect millions of AI agents, experts warn

The risk is "materially understated", researchers are saying as passwords and critical data can be exfiltrated.…

How I Built a Programmatic SEO Site with 16,750 Pages Using FastAPI and PostgreSQL

A deep dive into building BSBFinder.com — a free Australian BSB number lookup tool — from data...…

Usage-Based Billing for AI Agents with FastAPI and Kong

If you've built an AI agent, the next question is simple: how do you charge for it? Flat...…

I Built Cuekiyo: a Local-First Anime OP/ED Video Pipeline with React, FastAPI, yt-dlp and FFmpeg

I just released Cuekiyo v1.0.0, an open-source local web app for building anime opening and ending...…

Show HN: Microcodegen.py – PRD → FastAPI app, one file, no LLM calls

PRD text → production FastAPI app ZIP in a single Python file. The Archiet core algorithm, standalone. - Anioko/microcodegen…

Resolving inter-service communication issue

This week was heck of a roller coaster of emotions, trying to solve an issue. All I faced is the...…

Python dev (Django/FastAPI/Docker/K8s) trying to break into DevOps — what should I prioritize, and what are the real problems no one warns you about?

How to Create Custom API Documentation in FastAPI

Have you ever wondered if you could actually change or edit your /docs or /redoc API documentation...…

Schema-driven FastAPI runtime: serve REST from SQLAlchemy models at startup

Zero to Kubernetes Part 4: FastAPI Backend + PostgreSQL in Production

PostgreSQL with CloudNativePG, FastAPI backend with health checks, migrations and secure secrets.…

De Cero a Kubernetes Parte 4: Backend FastAPI + PostgreSQL en Producción

PostgreSQL con CloudNativePG, backend FastAPI con health checks, migraciones y secretos seguros.…

Show HN: FastBack end – schema-first back end runtime with OpenAPI output

A Runtime for Backend APIs. Contribute to darula-hpp/fastbackend development by creating an account on GitHub.…

Day 17 of 60: I Deployed My First Production AI API and It's Live 24/7 (This Changes Everything)

Today everything became real. Every system I've built over the past 16 days lived only on...…

FastAPI vs Node.js

How to Build a Stateful AI Agent with FastAPI, LangGraph, and PostgreSQL.

Your AI demo worked perfectly in development. You opened a local notebook, wrote a clean prompt...…

I built an "Immune System" for AI Agents using Textual TUI & FastAPI Middleware (First Post!)

👋 Hello DEV Community! A real-time prompt monitoring proxy, multi-LLM consensus router,...…

Captain Cool AI — Building a Multi-Agent IPL Tactical Engine with FastAPI, Next.js & Gemini AI 🚀🏏

Introduction What if an AI could think like an IPL captain during a high-pressure chase? That idea...…

We built a memory-powered AI sales agent using Hindsight and cascadeflow

Every sales rep has the same problem. They jump on a call with a prospect they spoke to 3 weeks ago...…

5 FastAPI Mistakes That Waste Hours (And How to Fix Them)

I've shipped a handful of FastAPI apps this year. Every single one had me debugging the same stupid...…

I Built a Phone Validation API — Live on RapidAPI published: true tags: python, fastapi, api, productivity

Validating phone numbers sounds simple until you realize regex won't tell you if a number is mobile,...…

How I Built and Launched 2 Commercial APIs in a Single Day

I've been seeing developers make money selling APIs on marketplaces like RapidAPI, and I wanted to...…

The Python Developer Playbook Nobody Teaches How real engineers think, build, and scale systems beyond tutorials

There's a version of Python you learn…  and a version of Python you use in the real world. Most...…